Alison Holcomb a criminal justice director at the Washington state ACLU, buys marijuana at the Cannabis City retail marijuana store. Pool

Cale Holdsworth, of Abilene, Kan., holds up his marijuana purchase after being the first in line to buy legal recreational marijuana at Top Shelf Cannabis on July 8 in Bellingham, Wash. Holdsworth had been in line since 4 a.m. Ted S. Warren, AP

Jaime Henifin smells the marijuana strain "Opal OG Kush" while shopping at Top Shelf Cannabis in Bellingham, Wash. Retail marijuana stores opened July 8 in Washington state, nearly a year and a half after voters chose to legalize marijuana. David Ryder, Getty Images

Customers, including Dan Dehnke, center, shop for marijuana at Top Shelf Cannabis. David Ryder, Getty Images

Customers shop for marijuana. David Ryder, Getty Images

Customers wait in line at Top Shelf Cannabis. David Ryder, Getty Images

Amber McGowan, left, and Krystal Klacsan prepare Cannabis City on July 7 in Seattle for its July 8 opening. Ted S. Warren, AP

Cannabis City owner James Lathrop walks past first-in-line customer Deb Greene at the recreational marijuana store on July 7 in Seattle. The store will begin selling pot July 8. Elaine Thompson, AP

Krystal Klacsan applies a state-mandated frosted film to the front of a display case at the recreational marijuana store Cannabis City on July 7. Ted S. Warren, AP

Stevie Askew, a worker at Sea of Green Farms in Seattle, packs recreational marijuana on July 1 into blunts that will be sold in stores when legal recreational pot sales begin on July 8 in Washington state. Ted S. Warren, AP

Packets of of recreational marijuana named "Space Needle" are packaged at Sea of Green Farms in Seattle, on July 1. The grower, the first business licensed to grow recreational marijuana in Washington state, worked all weekend to have supplies ready for stores that were expected to open on July 8. Ted S. Warren, AP